Canvs
io.github.voronkovm/canvs · v1.0.0 · MCP 2025-11-25
AI-powered diagrams, mind maps, flowcharts on a free unlimited collaborative whiteboard
Reachability
reachable
checked 2026-07-14 04:30 UTC
Registry status active
Tools pinned 6
4c88ea670484
Tools last changed
unchanged since first capture 2026-07-14
Provenance
Registry namespace io.github.voronkovm
(GitHub-account verified by the official registry)
Website
https://app.canvs.io
Remote endpoints
https://app.canvs.io/mcp (streamable-http)
Observed changes
| When (UTC) | Event | Detail |
|---|---|---|
| 2026-07-14 03:22 | first capture | 6 tools pinned |
Pinned tool definitions (6)
| Tool | Description |
|---|---|
| get_guide | ⚠️ MANDATORY FIRST STEP - Call this tool BEFORE using any other Canvs tools! Returns comprehensive instructions for creating whiteboards: tool selection strategy, iterative workflow, and examples. Following these instructions ensures... |
| add_elements | Manual fallback for creating canvas and adding elements. ⚠️ IMPORTANT: Call get_guide first and follow its instructions! Use this tool only when the user's request is not a good fit for Mermaid. If the request can be represented in... |
| update_elements | Update elements on a canvas. Requires room_id from a previous Canvs tool result. Pass elements array with id and fields to update. IMPORTANT: in each update object ONLY `id` is required; all other fields are optional patch fields.... |
| delete_elements | Delete elements from a canvas. Requires room_id from a previous Canvs tool result. Pass ids array of element IDs to delete. |
| query_elements | Query elements on a canvas. Requires room_id from a previous Canvs tool result. Returns elements matching optional filters. Use this before update_elements when making small edits to existing diagrams. If no browser has the canvas open,... |
| add_elements_from_mermaid | Preferred method for creating diagram elements from Mermaid. ⚠️ IMPORTANT: Call get_guide first and follow its instructions! Use this tool for NEW diagrams and LARGE changes to existing diagrams whenever the request can be represented... |
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